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AD10242/PCB 데이터시트(PDF) 5 Page - Analog Devices |
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AD10242/PCB 데이터시트(HTML) 5 Page - Analog Devices |
5 / 16 page AD10242 –5– REV. A PIN FUNCTION DESCRIPTIONS Pin No. Name Function 1 SHIELD Internal Ground Shield between channels. 2, 5, 9–11, 26–27 GNDA A Channel Ground. A and B grounds should be connected as close to the device as possible. 3 UNEGA Unipolar Negative. 4 UCOMA Unipolar Common. 6AINA1 Analog Input for A side ADC (nominally ±0.5 V). 7AINA2 Analog Input for A side ADC (nominally ±1.0 V). 8AINA3 Analog Input for A side ADC (nominally ±2.0 V). 12 UPOSA Unipolar Positive. 13 AVEE Analog Negative Supply Voltage (nominally –5.0 V or –5.2 V). 14 AVCC Analog Positive Supply Voltage (nominally +5.0 V). 15–16 NC No Connect. 17–25, 31–33 D0A–D11A Digital Outputs for ADC A. D0 (LSB). 28 ENCODEA ENCODE is complement of ENCODE. 29 ENCODEA Data conversion initiated on rising edge of ENCODE input. 30 DVCC Digital positive supply voltage (nominally +5.0 V). 34–35 NC No Connect. 36–42, 45–49 D0B–D11B Digital Outputs for ADC B. D0 (LSB). 43–44, 53–54 GNDB B Channel Ground. A and B grounds should be connected as close to the device 58–61, 65, 68 as possible. 50 DVCC Digital Positive Supply Voltage (nominally +5.0 V). 51 ENCODEB Data conversion initiated on rising edge of ENCODE input. 52 ENCODEB ENCODE is complement of ENCODE. 55 UCOMB Unipolar Common. 56 UNEGB Unipolar Negative. 57 UPOSB Unipolar Positive. 62 AINB1 Analog Input for B side ADC (nominally ±0.5 V). 63 AINB2 Analog Input for B side ADC (nominally ±1.0 V). 64 AINB3 Analog Input for B side ADC (nominally ±2.0 V). 66 AVCC Analog Positive Supply Voltage (nominally +5.0 V). 67 AVEE Analog Negative Supply Voltage (nominally –5.0 V or –5.2 V). PIN CONFIGURATION 68-Lead Ceramic Leaded Chip Carrier 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 21 27 43 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 961 8 7 6 5 68 67 66 65 64 63 62 4 32 1 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 TOP VIEW (Not to Scale) GNDB GNDB GNDB UPOSB UNEGB UCOMB GNDB GNDB ENCODEB ENCODEB DVCC D11B (MSB) D10B D9B D8B D7B GNDB GNDA GNDA UPOSA AVEE AVCC NC NC (LSB) D0A D1A D2A D3A D4A D5A D6A D7A D8A GNDA NC = NO CONNECT AD10242 PIN 1 |
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